Home / 614,157,401.20-921,236,101.80-199,633,421.20

Finding the Fourth Proportional to 614,157,401.20, 921,236,101.80 and 199,633,421.20

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Solution

The fourth proportional to 614,157,401.20, 921,236,101.80 and 199,633,421.20 is: 299,450,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,157,401.20 : 921,236,101.80 = 199,633,421.20 : x
  2. Step 2: Convert to fraction form
    614,157,401.20/921,236,101.80 = 199,633,421.20/x
  3. Step 3: Cross multiply
    614,157,401.20x = 921,236,101.80 × 199,633,421.20
  4. Step 4: Simplify right side
    614,157,401.20x = 183,909,514,735,285,472
  5. Step 5: Solve for x
    x = 183,909,514,735,285,472/614,157,401.20
  6. Step 6: Final answer
    x = 299,450,131.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.